DIN sync in x0x boxes (was RE: [sdiy] Help-Blacet midi-din sync chip problems!)

[Rob B]

I agree completely.. Let me take a look
at that interrupt timer circuit and
adjust it and see what is going on. I
never really thought to look there, but
its always good for a shot.

Rob

----- Original Message -----
From: "Colin Fraser"
<colin at colinfraser.com>
To: "'David D'" <shockadd at hotmail.com>;
<cyborgzero at home.com>
Cc: <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, February 10, 2002 7:16 PM
Subject: DIN sync in x0x boxes (was RE:
[sdiy] Help-Blacet midi-din sync chip
problems!)


> > -----Original Message-----
> > From:
owner-synth-diy at dropmix.xs4all.nl
> >
[mailto:owner-synth-diy at dropmix.xs4all.n
l] On Behalf Of David D
> > Sent: 10 February 2002 8:33
> > To: cyborgzero at home.com
> > Cc: synth-diy at dropmix.xs4all.nl
> > Subject: Re: [sdiy] Help-Blacet
midi-din sync chip problems!
> >

>
> Why a 303/606/808 would fail to sync
correctly to a 50% duty cycle sync
> pulse, I have no idea.
> It's possible that if the interrupt
timer is set too high, the main
> program loop is starved of CPU time.
> This could have strange effects...
>
> I'll need to have a think about how to
determine whether the sequence
> playback is processed in the main
loop, with the interrupt routine
> setting some flag to say a sync pulse
arrived, or if the sequence
> playback is performed by the interrupt
routine itself.
>
> Until then, more vodka :-)
>
> Colin f
>
>
>